Yusuf Hamied Department of Chemistry

Professor Jacek Klinowski

Our main interest is in the relationship between the structure and properties of solids. We study the geometric reasons for the chemical activity of solids and the relationship between local order and physical properties, using mathematical techniques and computer graphics. We use solid-state nuclear magnetic resonance spectroscopy (NMR) to examine molecular sieves, minerals, layered materials, fullerenes, ceramics and biological materials.

The G minimal surface divides space into two interpenetrating labyrinths (coloured red and green).

Specific projects:

Periodic minimal surfaces (surfaces with zero mean curvature), which appear in a variety of inorganic, organic and biological structures, and the associated mathematical problems.
Morphogenesis (the origin of shape and form).
Systematic enumeration of crystalline networks using mathematical tiling theory.
Graphite, graphite oxide and graphene.
Synthesis and characterization of microporous and mesoporous molecular sieves.
Synthesis and characterization of metal-organic frameworks (MOFs).

Selected Publications

Hypothetical zeolitic frameworks: In search of potential heterogeneous catalysts. J. Phys. Chem. 112, 1040 (2008)

Low-temperature thermal decomposition of large single crystals of ammonium perchlorate. Chem. Phys. Lett. 454, 233 (2008)

Simulating self-assembly of ZnS nanoparticles into mesoporous materials. J. Am. Chem. Soc. 128, 15283 (2006)

Cross-polarization in the solid state. A guide for chemists. Chem. Rev. 102, 613 (2002)

Synthesis and characterization of a new layered compound of trimesic acid. New Journal of Chemistry 26, 381 (2002)

Exact computation of the triply periodic G ('gyroid") minimal surface. Chem. Phys. Lett. 321, 363 (2000)

Systematic enumeration of crystalline networks. Nature 400, 644 (1999)

Structural studies of tabasheer, an opal of plant origin. Phil. Mag. A 77, 201 (1998)

Structure of graphite oxide revisited. J. Phys. Chem. B102, 4477 (1998)

Solid-state NMR studies of fullerene C₆₀/benzene solvates. J. Phys. Chem. B101, 117 (1997)

New rapidly convergent series representations for z (2 n + 1). Proc. Am. Math. Soc. 125, 1263 (1997)

Directing the pore dimensions in the mesoporous molecular sieve MCM-41. Chem. Phys. Lett. 263, 247 (1996)

Taboo Search: an approach to the multiple-minima problem. Science, 267, 664 (1995)

Publications

A pentanuclear oxovanadium(V) phosphate complex with phenanthroline

L Mafra, FAA Paz, F-N Shi, C Fernandez, T Trindade, J Klinowski, J Rocha

– Inorganic Chemistry Communications

(2006)

(doi: 10.1016/j.inoche.2005.09.036)

X-ray diffraction and solid-state NMR studies of a germanium binuclear complex.

L Mafra, FAA Paz, F-N Shi, J Rocha, T Trindade, C Fernandez, A Makal, K Wozniak, J Klinowski

– Chemistry – A European Journal

(2005)

12,

363

(doi: 10.1002/chem.200500281)

Optimised hydrothermal synthesis of multi-dimensional hybrid coordination polymers containing flexible organic ligands

FAA Paz, J Rocha, J Klinowski, T Trindade, F-N Shi, L Mafra

– Progress in Solid State Chemistry

(2005)

33,

113

(doi: 10.1016/j.progsolidstchem.2005.11.033)

Hydrothermal synthesis, structural characterisation and magnetic behaviour of hybrid complexes of N-(phosphonomethyl)iminodiacetate

F-N Shi, FAA Paz, PI Girginova, L Mafra, VS Amaral, J Rocha, A Makal, K Wozniak, J Klinowski, T Trindade

– Journal of Molecular Structure

(2005)

754,

(doi: 10.1016/j.molstruc.2005.06.026)

[Hydrogen N-(phosphonomethyl)iminodiacetato](1,10-phenanthroline)copper(II) trihydrate: a low-temperature redetermination

FAA Paz, F-N Shi, T Trindade, J Klinowski, J Rocha

– Acta Crystallographica Section E: Crystallographic Communications

(2005)

61,

m2247

(doi: 10.1107/S1600536805031806)

The first one-dimensional lanthanopolyoxotungstoborate

FL Sousa, FAA Paz, CMCE Granadeiro, AMV Cavaleiro, J Rocha, J Klinowski, HIS Nogueira

– Inorganic Chemistry Communications

(2005)

924

(doi: 10.1016/j.inoche.2005.06.029)

All possible permutations

J Klinowski, FA Paz, R Bell

– Chemistry and Industry London

(2005)

(link to publication)

[Co(H2O)6]{[Co( C4H4N2)(H2O)2][V2O2(pmida)2]}•-2H2O [H4pmida is N-(phosphonomethyl)iminodiacetic acid]: the first two-dimensional hybrid framework containing [V2O2(pmida)2]^4- building blocks

FAA Paz, F-N Shi, L Mafra, A Makal, K Wozniak, T Trindade, J Klinowski, J Rocha

– Acta Crystallographica Section E: Crystallographic Communications

(2005)

61,

M1628

(doi: 10.1107/S1600536805023263)

Hypothetical binodal zeolitic frameworks

A Simperler, MD Foster, O Delgado Friedrichs, RG Bell, FA Almeida Paz, J Klinowski

– Acta Crystallographica Section B Structural Science

(2005)

61,

263